重庆时时彩5星工具|重庆时时彩日赚

Tasting life, moving forward

Provide users with a new generation of automatic security door having Germany standard.

D.DONG Innovation Germany Patent

Fully automatic 30 locks points

No need counter door!

Several patents 1.2 million locks dual insurance

Global new generation automatic security door, 1 second easy open

Make a security door that goes beyond the expectations of the customer

German quality

Enough thickness, enough freedom

Refrigerator heat preservation material filling, excellent sound insulation heat preservation performance

copyright ? 2016 Shanghai D.DONG Trade co.,LTD

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